adc0820

Started by sharkzone1 in Piclist14 years ago 1 reply

Hi to all??. I'm using 2 ADC's (adc0820) and on the datasheet it says that it is a TRISTATE Dose this mean that I can connect...

Hi to all??. I'm using 2 ADC's (adc0820) and on the datasheet it says that it is a TRISTATE Dose this mean that I can connect the 8-output pins for the 1st ADC and the 8-output pins for the 2nd ADC on the same 8-input pins of the microcontroller and change between the 2 ADC'


fast ADC

Started by mutluuslu in Piclist13 years ago 8 replies

hi to everyone, i'm looking for a microcontroller having a fast ADC rate for my SMPS design having 50 kHz switching frequency....

hi to everyone, i'm looking for a microcontroller having a fast ADC rate for my SMPS design having 50 kHz switching frequency. i don't mind in using dsp or a discrete ADC IC for this purpose. thanx a lot for your advices...


PIC with ADC

Started by ydexter in Piclist15 years ago 1 reply

Sorry, my fault, i want ADC on PIC not DAC. So what is the most simple PIC, like 16F84, but with ADC??? ...

Sorry, my fault, i want ADC on PIC not DAC. So what is the most simple PIC, like 16F84, but with ADC???


BSX2 with ADC

Started by sharkzone1 in Piclist14 years ago 1 reply

Hi to all?? I'm using basic stamp 2sx(24pin) and 2 parallel adc's (adc0820)?? My problem is that I want to read the parallel...

Hi to all?? I'm using basic stamp 2sx(24pin) and 2 parallel adc's (adc0820)?? My problem is that I want to read the parallel output of the adc's using the BSX2 Without using a shift regester and with out doing a for..loop knowing where is the msb and lsb??.and I don't want t


Started by tjroland2002 in Piclist14 years ago 1 reply

Hello, I'm using the PIC16f818 and have a question that probably has an obvious answer. I'm reading a value on the 10-bit...

Hello, I'm using the PIC16f818 and have a question that probably has an obvious answer. I'm reading a value on the 10-bit ADC and need to convert it according to the equation y = 1.953(ADC value) - 1000. Is this as it seems? Do I need to multiply by 1953


Thermocouple How-To?

Started by Scott Lingerfelt in Piclist12 years ago 9 replies

Hi Everyone, I am looking for a single channel ADC that allow the least amount of external components and allows between 12-14bit...

Hi Everyone, I am looking for a single channel ADC that allow the least amount of external components and allows between 12-14bit resolution. I need low power for battery operation. The temperature range will be the industrial standard -40C - 85C. Do any of the ADC IC's have the amp built-in? I want the ability to read type K, E, T, J, and N the


Is it possible to use ADC line for multiple pushbuton inputs and still get interrupt on change?

Started by ransom peek in Piclist14 years ago 2 replies

Is it possible to use ADC line for multiple pushbuton inputs and still get interrupt on change? Microchip AN234 shows...

Is it possible to use ADC line for multiple pushbuton inputs and still get interrupt on change? Microchip AN234 shows how to use ADC for multipl


ADC - how many LSB is good?

Started by Phil in Piclist14 years ago 4 replies

I'm a bit of a newbie when it comes to ADC. I've got a PICF88 with an LM34DZ temp sensor hooked up one of the AD pins (A0, if it ...

I'm a bit of a newbie when it comes to ADC. I've got a PICF88 with an LM34DZ temp sensor hooked up one of the AD pins (A0, if it matters). You see this design in a number of places. I am assuming that the LM34DZ is reasonably stable (if not accurate) in its output voltage.


8 bits ADC

Started by Devon Lee in Piclist13 years ago 1 reply

Hi there, I'm using PIC16F876. With 10-bits ADC module. However, if I intend to use only 8 bits, is the following correct? ...

Hi there, I'm using PIC16F876. With 10-bits ADC module. However, if I intend to use only 8 bits, is the following correct? Where is is a must for me to use left-justified. Then, ADRESH are the results of Bit0 to Bit7. Then, ADRESL are the results of Bit 8 an


C18 ADC question

Started by Steve Nance in Piclist9 years ago 7 replies

I'm looking for some sample code that shows how to read an ADC over USB using a 18F4550. I've looked at the MC sample code for the PICDEM FS...

I'm looking for some sample code that shows how to read an ADC over USB using a 18F4550. I've looked at the MC sample code for the PICDEM FS USB board, but it's just too tough to make sense of with all the functions it has. I would like to find something simple if possible. Thanks, Steve ------------------------------------


Re: Looking for codes to average adc results

Started by Paul James E. in Piclist14 years ago 21 replies

Sorting and finding the middle number is the median, not the mean. > > --- Dave Mucha <> wrote: >> --- In ,...

Sorting and finding the middle number is the median, not the mean. > > --- Dave Mucha <> wrote: >> --- In , "burt0072003" wrote: >> > A 16bit word from externel adc and sample may be 10 times and


adc program pic12f675 modified

Started by vaishnavi236 in Piclist14 years ago 3 replies

hello, keeping in mind all the suggestions i have modified the pgm for adc...but still the loop remains infinite .....i am not...

hello, keeping in mind all the suggestions i have modified the pgm for adc...but still the loop remains infinite .....i am not able to trace the problem even now .....please check this program and send me ur suggestions.....in one of the websites it was mentioned that


DOUBTS : pic12f675 adc program

Started by vaishnavi236 in Piclist14 years ago 1 reply

hello, THE ISR WAS ALREADY PRESENT IN THE TEMPLATE OF PIC12F675...hence i did not delete it without labelling main it...

hello, THE ISR WAS ALREADY PRESENT IN THE TEMPLATE OF PIC12F675...hence i did not delete it without labelling main it completes the whole program expect for adc loop....i don't how? i tried 'step into' so it executes 3/4th of the program. in the file register window i


SPI interface ADC 16 bits

Started by wantoniet in Piclist12 years ago 3 replies

Hi all, Anyone have experienced interface a PIC with a 16-bit/SPI 7708 ADC? As i know MSSP on PIC is only 8 bit-lenght. May i perform...

Hi all, Anyone have experienced interface a PIC with a 16-bit/SPI 7708 ADC? As i know MSSP on PIC is only 8 bit-lenght. May i perform standard procedure protocol to adquire 16-bit? Any comments are welcome! Wilson


Frustrating problem with dsPic30F3012 ADC...

Started by demolitron in Piclist9 years ago

Hello, I just got my board built for my new dsPic project and I've run into a very puzzling problem with the ADC. If you all would be kind...

Hello, I just got my board built for my new dsPic project and I've run into a very puzzling problem with the ADC. If you all would be kind enough to take a look for me. I hope this isn't something simple and stupid I've missed... First, my environment: dsPic30F3012 @ 3.3V MPLAB 8.30 MPLAB C30 student edition version 3.12 compiler PICKIT 2 Debugger (DE Version = 1.40.3) USART level s...


please help me with adc program for pic12f675 using mplab

Started by vaishnavi236 in Piclist14 years ago 4 replies

hi, i have written a program for adc. i am going to feed the a/d samples to the timer for the pwm module which is next... my...

hi, i have written a program for adc. i am going to feed the a/d samples to the timer for the pwm module which is next... my project is " MICROCONTROLLER BASED PWM FOR SOLAR PHOTO VOLTAIC POWER SYSTEM. THE PROGRAM written below is simulated using MPLAB 6.13 version.


Multiplexing PIC ADC

Started by Bakkal Adil in Piclist13 years ago 3 replies

It is possible to build a multiplexing circuitry for the PIC ADC? so we can have more channels than what a PIC have ( ex : 5 for...

It is possible to build a multiplexing circuitry for the PIC ADC? so we can have more channels than what a PIC have ( ex : 5 for 16F876 and 10 for 16F877 ). Speed is not a important point in this.   (no external interfaced ADCs please) _________________________


MAX 110/111ADC

Started by praveen in Piclist14 years ago 1 reply

Have anyone used MAXIM ADC MAX 110/111? I am using Maxim ADC's max110/max111 for converting analog signals. I have used the...

Have anyone used MAXIM ADC MAX 110/111? I am using Maxim ADC's max110/max111 for converting analog signals. I have used the following control words for the first three steps of caliberation. offset correction-8D0C gain caliberation-8D08 offset null 8D04


16bit Linear Interpolation full

Started by Eirik Karlsen in Piclist13 years ago 2 replies

Have just made a routine that do linear interpolation of 16bit table entries, but I'm not fully happy with it. The task: 10bit...

Have just made a routine that do linear interpolation of 16bit table entries, but I'm not fully happy with it. The task: 10bit (16bit) ADC sensordata is linearized using a 32 entry 16bit lookup table, but it is a bit rough so interpolation is needed. The actual ADC range


i have written an adc program for pic12f675 PLEASE CHECK

Started by vaishnavi236 in Piclist14 years ago 2 replies

I am not sure whether this works but I have made a sincere attempt FOR ADC CMCON equ 19h GPIO equ 05h STATUS equ 03h ...

I am not sure whether this works but I have made a sincere attempt FOR ADC CMCON equ 19h GPIO equ 05h STATUS equ 03h TRISIO equ 85h ADCON0 equ 1Fh ANSEL equ 9Fh ADRESL equ 9Eh ADRESH equ 1Eh PIR1 equ 0Ch Bcf STATUS ,5 ; bit cl